CN101513976A - Control device for telescopic arm of single telescopic cylinder of vehicle crane - Google Patents
Control device for telescopic arm of single telescopic cylinder of vehicle crane Download PDFInfo
- Publication number
- CN101513976A CN101513976A CNA2009100109520A CN200910010952A CN101513976A CN 101513976 A CN101513976 A CN 101513976A CN A2009100109520 A CNA2009100109520 A CN A2009100109520A CN 200910010952 A CN200910010952 A CN 200910010952A CN 101513976 A CN101513976 A CN 101513976A
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- China
- Prior art keywords
- arm
- oil cylinder
- cylinder
- telescopic
- driving oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
- B66C23/701—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic
- B66C23/708—Jibs constructed of sections adapted to be assembled to form jibs or various lengths telescopic locking devices for telescopic jibs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention provides a control device for a telescopic arm of a single telescopic cylinder of a vehicle crane. The main technical characteristic is that the control device comprises a telescopic oil cylinder, a driving oil cylinder, a locking mechanism, a clutch mechanism, an interlocking mechanism and an intelligent control system; a piston rod of the driving oil cylinder is fixed at the root of a basic arm of the telescopic arm, an oil cylinder slides within a guide groove of a cargo boom, the clutch mechanism and the interlocking mechanism are mounted on the cylinder of the driving oil cylinder and are next to the root of the basic arm, the tail of each section of the arm is provided with the locking mechanism, and the telescopic operation of the cargo boom is realized by utilizing a single telescopic oil cylinder in cooperation with the clutch mechanism, the locking mechanism, the interlocking mechanism and the intelligent control system. The invention has the advantages of: unique structure, realizing the telescopic operation of the cargo boom, saving a rope arrangement structure, increasing utilization rate of cross-sectional space of the arms, narrowing the gap of cross-sectional size of the arms and exerting, to a maximum extent, the strength property of the arms.
Description
Technical field:
The present invention relates to a kind of car hosit, particularly a kind of control device for telescopic arm of single telescopic cylinder of vehicle crane.
Background technology:
At present, the telescopic boom of car hosit is a tail pipe shape structure, and telescopic boom flexible adds steel rope by oil cylinder to be arranged and realize, arranges structure because of arranging steel rope, causes the telescopic arm structure complexity, and arm sectional dimension difference is big, is unfavorable for bringing into play the strength character of arm body itself.And inefficiency.
Summary of the invention:
The objective of the invention is the deficiency that exists in the above-mentioned technology, a kind of control device for telescopic arm of single telescopic cylinder of vehicle crane is provided.It is to adopt single telescopic oil cylinder, cooperates clutch structure, locking mechanism, mutual interlocking gear, intelligence control system, realizes the flexible of crane arm.Owing to cancelled rope row structure, increased the space availability ratio of arm body section, dwindled arm sectional dimension difference, brought into play the strength character of arm body itself to greatest extent.
The object of the present invention is achieved like this: comprise telescopic oil cylinder, driving oil cylinder, locking mechanism, engaging and disengaging gear, mutual interlocking gear, intelligence control system, it is characterized in that, the piston rod of driving oil cylinder is fixed on telescopic boom basic arm arm roots place, cylinder tube slides in the guide groove of crane arm, engaging and disengaging gear, mutual interlocking gear is contained on the cylinder barrel of driving oil cylinder, and near basic arm arm root place, the arm tail of every joint arm is provided with locking mechanism, locking mechanism is by locked pin, keep spring, anti-forwarding is blue, orienting sleeve is formed, engaging and disengaging gear is installed on the cylinder barrel of driving oil cylinder, and engaging and disengaging gear is by on-of pin, retracing spring, the clutch oil cylinder, the on-of pin fixed block is formed.On the cylinder barrel on the driving oil cylinder with on the same cross section of engaging and disengaging gear mutual interlocking gear is housed.Mutual interlocking gear is made up of release oil cylinder, interlocking wedge head, release pull head, retracing spring.Intelligence control system is made up of put in place detector switch and PLC of locked pin position detecting switch, tablet, on-of pin position detecting switch, arm number identification detecting sensor, tablet, arm position.Wherein, tablet is installed on the release pull head, and it is indoor that PLC is installed in centring control, and locked pin position detecting switch, arm number, arm position identification detecting sensor are installed in the both sides of steel cylinder on the driving oil cylinder.Adopt single telescopic oil cylinder, cooperate driving oil cylinder, locking mechanism, engaging and disengaging gear, mutual interlocking gear, intelligence control system, realize the flexible of crane arm.The expanding-contracting action of crane arm is driven by driving oil cylinder, and engaging and disengaging gear is used for driving crane arm, drives successively by engaging and disengaging gear and respectively saves arm, only finishes the flexible of a joint arm at every turn.
Advantage of the present invention is that novel structure has been realized the flexible of crane arm, has cancelled rope row structure, has increased the space availability ratio of arm body section, has dwindled arm sectional dimension difference, has brought into play the strength character of arm body itself to greatest extent.
Description of drawings:
Fig. 1 is a constructional drawing of the present invention
Fig. 2 is the A-A view of Fig. 1
Fig. 3 is the B-B view of Fig. 1
The specific embodiment:
Below in conjunction with accompanying drawing present embodiment is described further:
By Fig. 1-Fig. 3 as can be known, the piston rod of driving oil cylinder 1 is fixed on basic arm arm roots place, and cylinder tube slides in the guide groove of crane arm, and clutch structure, mutual interlocking gear are contained on the cylinder barrel of driving oil cylinder 1, near basic arm arm root.Arm tail at every joint arm is provided with locking mechanism, except the basic arm, locking mechanism by locked pin 8, keep spring 10, anti-rotation flange 9, orienting sleeve 11 to form.Corresponding with locking mechanism, fixed cover 7 is equipped with at the locked-up point place on adjacent with it outer arm body.Every joint arm has three to locked-up point everywhere, when in the fixed cover 7 that the locked pin 8 of a certain joint arm locking mechanism inserts on the adjacent with it outer arm body, realizes locked.Locked pin inserts different locked-up point fixed covers 7, realizes the expanding-contracting action of crane arm.Keep spring 10 to guarantee that locked pin can not deviate from.Locking mechanism is arranged vertically.
Be furnished with mutual interlocking gear on the cylinder barrel with on the same cross section of engaging and disengaging gear on the driving oil cylinder.Mutual interlocking gear is realized the release action of locking mechanism, guarantees the interlocking of locked pin and on-of pin simultaneously, guarantees security of system.Mutual interlocking gear is made up of release oil cylinder 13, interlocking wedge head 14, release pull head 15, retracing spring 16.When driving oil cylinder moves to place, arm position, the on-of pin 18 of engaging and disengaging gear aligns with the clutch square hole at arm tail place, on-of pin 18 stretches out, insert the clutch square hole on the arm body, this moment, mutual interlocking gear, engaging and disengaging gear, locking mechanism were positioned at same cross section, and the release pull head 15 of mutual interlocking gear is blocking locked pin 8 afterbodys of locking mechanism just in time.At this moment, release oil cylinder 13 withdrawals of mutual interlocking gear are pulled out locked pin 8 from fixed cover 7, realize release, in the space of reserving after the interlocking wedge head 14 of the mutual interlocking gear on-of pin 18 that just inserts engaging and disengaging gear stretches out simultaneously, on-of pin 18 is stoped and can't bounce back by interlocking wedge head 14.On the contrary, in the release oil cylinder 13 of mutual interlocking gear stretches out locked pin 8 insertion fixed covers 7, realize locked.The interlocking wedge head 14 of mutual interlocking gear is extracted simultaneously, and the on-of pin 18 of engaging and disengaging gear is withdrawn under the effect of clutch oil cylinder 20.This moment on-of pin 18 T " font pin head stoped interlocking wedge head 14 to fall after rise, realizes interlocking.Cylinder barrel is provided with engaging and disengaging gear on the driving oil cylinder, and engaging and disengaging gear is made up of on-of pin 18, retracing spring 19, clutch oil cylinder 20, on-of pin fixed block 21.On-of pin is embedded in driving oil cylinder with deciding piece, and the on-of pin fixed block also is the cylinder body of clutch oil cylinder simultaneously.On-of pin 18 is " T " font structure, and shank inserts in the circular hole of on-of pin fixed block, and " T " font pin head matches with the chute of on-of pin fixed block simultaneously.Corresponding with on-of pin 18, be provided with clutch square hole (except the basic arm) at the arm tail place of each joint arm.When the piston-retraction of clutch oil cylinder 20, under the effect of retracing spring 19, on-of pin 18 stretches out, and inserts the clutch square hole on the arm body.Driving oil cylinder drives on-of pin 18 by on-of pin fixed block 21, and then drives the action of crane arm realization telescopic boom.The engaging and disengaging gear horizontal arrangement is in driving oil cylinder cylinder barrel both sides.Intelligence control system is by the locked pin detector switch 3 that puts in place that stretches out, withdraws, tablet 4, on-of pin detector switch 2, the tablet 5 of putting in place that stretch out, withdraw, and arm number identification detecting sensor 6, tablet 17, arm position identification detecting sensor 12, PLC controller are formed.Tablet 4 is contained on the release pull head 15 of mutual interlocking gear, and drive tablet 4 during release pull head 15 action and move simultaneously, the locked pin of mobile triggering of tablet 4 detector switch 3 that puts in place that stretches out, withdraws, the signal of switch passes to the PLC controller.Tablet 5 is contained on the on-of pin 18 of engaging and disengaging gear, and drive tablet 5 during on-of pin 18 action and move simultaneously, the mobile triggering on-of pin of tablet 5 detector switch 2 that puts in place that stretches out, withdraws, the signal of switch passes to the PLC controller.Arm number identification detecting sensor 6 is contained in the both sides of cylinder barrel on the driving oil cylinder, near engaging and disengaging gear.Tablet 17 is contained in the arm tail place of each arm respectively, and corresponding with arm number identification detecting sensor 6, detector switch is made up of one group of switch, by forming the identification of coding techniques realization to a plurality of arms number.Identification detecting sensor 12 in arm position is made up of linear transducer and cable drum, is used for detecting the length that driving oil cylinder is stretched out, and then judges locking mechanism and be positioned at that locked-up point.Calculating by PLC, intelligence judge that the joint arm, be in that locked-up point, realize engaging and disengaging gear closure → locking mechanism release → driving oil cylinder run to next locked-up point → locking mechanism the actuation cycle that locked → engaging and disengaging gear separates according to predefined program behavior, successively each arm is moved to the locked-up point of setting, realized the flexible of crane arm.
Claims (1)
1, a kind of control device for telescopic arm of single telescopic cylinder of vehicle crane, comprise telescopic oil cylinder, driving oil cylinder, locking mechanism, engaging and disengaging gear, mutual interlocking gear, intelligence control system, it is characterized in that, the piston rod of driving oil cylinder is fixed on telescopic boom basic arm arm roots place, cylinder tube slides in the guide groove of crane arm, engaging and disengaging gear, mutual interlocking gear is contained on the cylinder barrel of driving oil cylinder, and near basic arm arm root place, the arm tail of every joint arm is provided with locking mechanism, locking mechanism is by locked pin, keep spring, anti-forwarding is blue, orienting sleeve is formed, engaging and disengaging gear is installed on the cylinder barrel of driving oil cylinder, and engaging and disengaging gear is by on-of pin, retracing spring, the clutch oil cylinder, the on-of pin fixed block is formed.On the cylinder barrel on the driving oil cylinder with on the same cross section of engaging and disengaging gear mutual interlocking gear is housed.Mutual interlocking gear is made up of release oil cylinder, interlocking wedge head, release pull head, retracing spring.Intelligence control system is made up of put in place detector switch and PLC of locked pin position detecting switch, tablet, on-of pin position detecting switch, arm number identification detecting sensor, tablet, arm position.Wherein, tablet is installed on the release pull head, and it is indoor that PLC is installed in centring control, and locked pin position detecting switch, arm number, arm position identification detecting sensor are installed in the both sides of steel cylinder on the driving oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100109520A CN101513976A (en) | 2009-03-31 | 2009-03-31 | Control device for telescopic arm of single telescopic cylinder of vehicle crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100109520A CN101513976A (en) | 2009-03-31 | 2009-03-31 | Control device for telescopic arm of single telescopic cylinder of vehicle crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101513976A true CN101513976A (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100109520A Pending CN101513976A (en) | 2009-03-31 | 2009-03-31 | Control device for telescopic arm of single telescopic cylinder of vehicle crane |
Country Status (1)
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| CN (1) | CN101513976A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153023A (en) * | 2011-04-07 | 2011-08-17 | 大连理工大学 | Safety pin interlocking device for crane, single cylinder safety pin type telescopic arm and crane |
| CN102431911A (en) * | 2011-09-29 | 2012-05-02 | 中联重科股份有限公司 | Control method and control device for boom extension and retraction and engineering machinery |
| CN102602810A (en) * | 2012-03-26 | 2012-07-25 | 中联重科股份有限公司 | Control device, method and system of telescopic boom and engineering mechanical equipment |
| CN103434955A (en) * | 2013-08-29 | 2013-12-11 | 四川长江工程起重机有限责任公司 | Assembly method capable of enabling cargo boom of autocrane to contract in place |
| CN105197820A (en) * | 2014-10-16 | 2015-12-30 | 徐州重型机械有限公司 | Arm position detection device, method and crane |
| CN111498758A (en) * | 2020-04-09 | 2020-08-07 | 中联重科股份有限公司 | U-shaped boom assembly, U-shaped boom and aerial working equipment |
-
2009
- 2009-03-31 CN CNA2009100109520A patent/CN101513976A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153023A (en) * | 2011-04-07 | 2011-08-17 | 大连理工大学 | Safety pin interlocking device for crane, single cylinder safety pin type telescopic arm and crane |
| CN102153023B (en) * | 2011-04-07 | 2013-09-25 | 大连理工大学 | Safety pin interlocking device for crane, single cylinder safety pin type telescopic arm and crane |
| CN102431911A (en) * | 2011-09-29 | 2012-05-02 | 中联重科股份有限公司 | Control method and control device for boom extension and retraction and engineering machinery |
| CN102602810A (en) * | 2012-03-26 | 2012-07-25 | 中联重科股份有限公司 | Control device, method and system of telescopic boom and engineering mechanical equipment |
| CN103434955A (en) * | 2013-08-29 | 2013-12-11 | 四川长江工程起重机有限责任公司 | Assembly method capable of enabling cargo boom of autocrane to contract in place |
| CN103434955B (en) * | 2013-08-29 | 2015-04-22 | 四川长江工程起重机有限责任公司 | Assembly method capable of enabling cargo boom of autocrane to contract in place |
| CN105197820A (en) * | 2014-10-16 | 2015-12-30 | 徐州重型机械有限公司 | Arm position detection device, method and crane |
| CN105197820B (en) * | 2014-10-16 | 2017-08-08 | 徐州重型机械有限公司 | A kind of arm level detecting apparatus, method and crane |
| CN111498758A (en) * | 2020-04-09 | 2020-08-07 | 中联重科股份有限公司 | U-shaped boom assembly, U-shaped boom and aerial working equipment |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090826 |